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Nonlinear Functions

SAT Math· difficulty 3/5

Compared to y=x2y = x^2, the graph of y=3x2y = 3x^2 is:

  • A

    Shifted up 3

  • B

    Compressed vertically (wider)

  • C

    Stretched vertically (narrower)

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  • D

    Shifted right 3

Explanation

∣a∣>1|a| > 1 stretches vertically, making the parabola narrower.

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